Bacteria found in soil around Tokyo are not indigenous to the area. A study published in the open access journal Saline Systems reveals a large proportion of salt-loving bacteria in non-saline soil around Tokyo. The researchers suggest that dust storms may have carried the bacteria from their natural habitats in China.
Akinobu Echigo and colleagues, from Toyo University and the Noda Institute for Scientific Research in Japan, analysed bacteria found in non-saline soil collected in gardens, fields and roadways in the Tokyo area. From their soil samples, they isolated halophilic bacteria - bacteria that are able to survive in a high-salt environment - by growing the bacteria in a culture medium with a salt concentration of at least 20%.
Their results show that approximately 1 in 200,000 of the bacteria found in the soil samples were halophilic, and the bacteria came from at least seven different families.
Juliette Savin | alfa
16.08.2017 | Max-Planck-Institut für chemische Ökologie
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